Insulate Your Home. Save Energy. Live Better.

BlueBuild Insulation has been helping Irish homeowners cut heating bills and create cosier homes for over 13 years.

Discover the difference professional insulation can make — starting with a free home survey.

Book a Free Home Survey
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Why Insulation Matters for Your Home

Insulation is one of the smartest investments you can make in your home.

Without proper insulation, up to 60% of your heat can be lost through your roof and walls.

By insulating your property, you can:

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Cut up to 60%
On your annual heating bills
Home Comfort
Enjoy indoor comfort all year round
BER Rating
Improve your BER rating and boost your home's value
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Home Insulation We Offer

External Wall Insulation
Transform the outside of your home and dramatically cut heat loss.
EWI wraps your house in a new thermal jacket, finished with a fresh, modern render.
  • Ideal for older solid-wall homes 
  • Improves both performance and appearance
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Three construction workers wearing hard hats and high-visibility vests working from a scaffolding platform to apply and smooth external render on the gable wall of a house.
Cavity Wall Insulation
Many homes built after the 1970s have cavity walls that can be insulated easily.
We inject high-performance insulating beads that: 
  • Stop draughts 
  • Lock in warmth
  • Reduce energy costs 
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A BlueBuild technician wearing safety goggles, red ear defenders, and a high-visibility vest injecting bonded bead cavity wall insulation through a drilled nozzle into an exterior house wall next to a front door.
Loft (Attic) Insulation
The roof is the number one source of heat loss in Irish homes.
Our expert attic insulation services seal your home from above, keeping the heat where you need it most.
  • Mineral wool roll-out
  • Ventilation upgrades to mitigate moisture build up
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An insulation installer wearing a protective dust mask and headlamp kneeling inside a residential attic spaces to unroll a bundle of mineral wool insulation between wooden roof rafters.
Three construction workers wearing hard hats and high-visibility vests working from a scaffolding platform to apply and smooth external render on the gable wall of a house.
A BlueBuild technician wearing safety goggles, red ear defenders, and a high-visibility vest injecting bonded bead cavity wall insulation through a drilled nozzle into an exterior house wall next to a front door.
An insulation installer wearing a protective dust mask and headlamp kneeling inside a residential attic spaces to unroll a bundle of mineral wool insulation between wooden roof rafters.
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Home Insulation Grants - Save Energy, Save Money

Improving your home’s insulation is one of the most effective ways to reduce energy bills, increase comfort, and lower carbon emissions.

In Northern Ireland, there are several grant schemes designed to help homeowners upgrade their insulation:

Key Grants & Schemes

Northern Ireland Sustainable Energy Programme (NISEP)
Provides funding for energy efficiency upgrades to eligible homes, including loft and cavity wall insulation.

Affordable Warmth Scheme
Supports low-income households with insulation and heating improvements.

⚠️ Note: Grants are subject to eligibility criteria and funding availability.

Our team will guide you through your options and help you understand what support may apply.

Find Out About Your Grant Options

Real Customer Stories

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Rated 4.7 out of 5 stars on over 100+ reviews

Clean energy for homes and businesses with BlueBuild

Smart, sustainable energy solutions tailored to you.

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